Evidence map›Paper›PMID 7755702›Full record

ArticleBMJ (Clinical research ed.)1994

Incidence of psychotic illness in London: comparison of ethnic groups.

M King, E Coker, G Leavey, A Hoare, E Johnson-Sabine

Open access · greenAbstract read
In one paragraph

Article in BMJ (Clinical research ed.), 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed, 5 pooled it
10.4field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

46 citing papers in PubMed, 5 syntheses or guidelines pooled it, 265 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Pooled it
  5. Pooled it
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Ethnic density as a buffer for psychotic experiences: findings from a national survey (EMPIRIC).The British journal of psychiatry : the journal of mental science · 2012
    Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Epigenetic mechanisms in schizophrenia.Biochimica et biophysica acta · 2009
    Review
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 1 country.

M KingUniversity Department of Psychiatry, Royal Free Hospital School of Medicine, London.
E Coker
G Leavey
A Hoare
E Johnson-Sabine
North West London Pathology · GBThe Royal Free Hospital · GBSt Ann’s Hospital · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo compare annual incidences of psychosis in people from different ethnic groups as defined in the 1991 census.

settingCatchment area of district psychiatric hospital.

designAll people aged 16 to 54 years who made contact with a wide range of community and hospital services between 1 July 1991 and 30 June 1992 were screened for psychotic symptoms. Patients with such symptoms were interviewed face to face to collect information on demography, ethnic group, psychiatric history and symptoms, drug use, and how care had been sought. A key informant, usually a close relative, was also interviewed.

main outcome measuresAge standardised incidence of schizophrenia and non-affective psychosis according to the ninth edition of the International Classification of Diseases in each ethnic group.

resultsNinety three patients took part, of whom 38 were assigned a certain or very likely diagnosis of schizophrenia (15 in white population, 14 in black, seven in Asian, and two in others). The age standardised annual incidence of schizophrenia was 2.2 (95% confidence interval 1.5 to 2.9) per 10,000 of the population. The incidence ratio for schizophrenia in all ethnic minority groups compared with the white population was 3.6 (1.9 to 7.1); the corresponding figure for non-affective psychosis was 3.7 (2.2 to 6.2).

conclusionsRaised incidences of schizophrenia were not specific to the African Caribbeans, which suggests that the current focus on schizophrenia in this population is misleading. Members of all ethnic minority groups were more likely to develop a psychosis but not necessarily schizophrenia. The personal and social pressures of belonging to any ethnic minority group in Britain are important determinants in the excess of psychotic disorders found.

Indexed as

AdolescentAdultAfricaAgedAge FactorsAsiaEthnicityFemaleHumansIncidenceLondonMalePatient Acceptance of Health CareProspective StudiesPsychotic DisordersSchizophrenia

Identifiers

PMID7755702
PMCPMC2541899
OpenAlexW2024906264

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.